3.0 TDI P0172, bank 1 too Rich.

   #1  

Lakeshore Auto

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VCDS Serial number
C?ID=362412
Hi everyone, I'm trying to diagnose the P0172 code on a 2009 Touareg 3.0 TDI with 130k miles. I've Smoke tested the vacuum lines, quite a bit of smoke coming out of the crankcase when smoking the Intake, it seems excessive. Could I have an PCV issue? Fuel pump pressures seem fine.
Air filter is new.
Just the single code, nothing else.

How should I proceed?

Thank you all.

Code:
Thursday,06,June,2019,09:22:35:28500
VCDS Version: Release 18.9.1 Running on Windows 7 x64
www.Ross-Tech.com

                Address 01: Engine       Labels: 
Control Module Part Number: 
  Component and/or Version: 
           Software Coding: 
            Work Shop Code:   
                      VCID: 55E903051C07A3EF9DB-5184
1 Fault Found:

000370 - Fuel Trim; Bank 1 
               P0172 - 000 - System Too Rich - Intermittent - MIL ON
             Freeze Frame:
                    Fault Status: 10100000
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 255
                    Mileage: 205283 km
                    Time Indication: 0
                    Date: 2019.05.27
                    Time: 09:10:42

             Freeze Frame:
                    RPM: 1848 /min
                    Speed: 93.0 km/h
                    Voltage: 14.52 V
                    Load: 31.0 %
                    Bin. Bits: 00000000
                    Voltage: 1.560 V
                    Voltage: 0.760 V


Readiness: N/A


Code:
Thursday,06,June,2019,09:29:49:28500
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
VCDS Version: 18.9.1.0  HEX-NET CB: 0.4437.4
Data version: 20190114 DS296.0
www.Ross-Tech.com


VIN: WVGFM67L29D035657   License Plate: 


Chassis Type: 7L (6N0)
Scan: 01 02 03 05 08 09 15 16 17 19 22 2E 36 37 46 47 55 56 68 69
          6C 6D 6E 76

VIN: WVGFM67L29D035657   Mileage: 206040km-128027miles

01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
05-Acc/Start Auth. -- Status: OK 0000
08-Auto HVAC -- Status: Malfunction 0010
09-Cent. Elect. -- Status: OK 0000
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: Malfunction 0010
19-CAN Gateway -- Status: Malfunction 0010
22-AWD -- Status: OK 0000
2E-Media Player 3 -- Status: OK 0000
36-Seat Mem. Drvr -- Status: OK 0000
37-Navigation -- Status: Malfunction 0010
42-Door Elect, Driver -- Status: OK 0000
46-Central Conv. -- Status: Malfunction 0010
47-Sound System -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
55-Headlight Range -- Status: OK 0000
56-Radio -- Status: Malfunction 0010
62-Door, Rear Left -- Status: OK 0000
68-Wiper Electr. -- Status: OK 0000
69-Trailer -- Status: OK 0000
6C-Back-up Cam. -- Status: OK 0000
6D-Trunk Elect. -- Status: OK 0000
6E-Ctrl Head Roof -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
76-Park Assist -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (CAT)       Labels:. 059-907-401-CAT1.clb
   Part No SW: 7L0 907 401 T    HW: 7L0 907 401 K
   Component: 3.0TDI FSA  G004AG  0140  
   Revision: 33H01---    Serial number: VWX3Z0H2826271
   Coding: 0421002A590F0968
   Shop #: WSC 63425 002 1048576
   VCID: 3C3436797E04F3AAC1-5184

1 Fault Found:
000370 - Fuel Trim; Bank 1 
               P0172 - 000 - System Too Rich - Intermittent - MIL ON
             Freeze Frame:
                    Fault Status: 10100000
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 255
                    Mileage: 205283 km
                    Time Indication: 0
                    Date: 2019.05.27
                    Time: 09:10:42

             Freeze Frame:
                    RPM: 1848 /min
                    Speed: 93.0 km/h
                    Voltage: 14.52 V
                    Load: 31.0 %
                    Bin. Bits: 00000000
                    Voltage: 1.560 V
                    Voltage: 0.760 V

Readiness: N/A

-------------------------------------------------------------------------------
Address 02: Auto Trans        Labels: 09D-927-750.clb
   Part No SW: 09D 927 750 HN    HW: 09D 927 750 HN
   Component: AL 750 6A           3403  
   Revision: 00H75000    Serial number:               
   Coding: 0004984
   Shop #: WSC 63425 002 1048576
   VCID: 014A878D59665E42D2-5160

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 7L0-907-379-MK25E1.clb
   Part No SW: 7L0 907 379 P    HW: 7L0 614 517 C
   Component: ESP ALLRAD MK25E1   0304  
   Revision: 00H53001    
   Coding: 0004354
   Shop #: WSC 31414 790 00001
   VCID: 46C0549135C8B97AA7-8012

No fault code found.

-------------------------------------------------------------------------------
Address 05: Acc/Start Auth.        Labels: None
   Part No SW: 7L0 909 135 C    HW: 7L0 909 135 C
   Component:    Kessy            6850  
   Revision: 00H22071    Serial number: VWX3Z0H2826271
   Coding: 0000232
   Shop #: WSC 31414 790 00001
   VCID: 312A174DAC460EC262-8064

   Subsystem 1 - Part No: XXXXXXXXXXX 
   Component: ELV                 XXXX

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 7L6-907-040.clb
   Part No: 7L6 907 040 AL
   Component: CLIMAtronic R/L     4537  
   Coding: 0003030
   Shop #: WSC 31414 790 00001
   VCID: 7AB8F06131B00D9A93-802E

1 Fault Found:
00353 - Function Return Message from Fresh Air Blower Regulator 
            002 - Lower Limit Exceeded - Intermittent
             Freeze Frame:
                    Voltage: 14.60 V
                    Voltage: 4.91 V
                    Voltage: 0.00 V
                    Voltage: 14.00 V


-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels:. 7Lx-937-049-V2.clb
   Part No SW: 7L6 937 049 AF    HW: 7L6 937 049 AF
   Component: J519                2004  
   Revision: -0004---    Serial number: --------------
   Coding: 230008002F00BC000000000000000000
   Shop #: WSC 31414 790 00001
   VCID: 004C8289576C574ADD-8054

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 7L0-959-655.lbl
   Part No SW: 7L0 959 655     HW: 7L0 959 655 
   Component: J234__3V VW8T       0250  
   Revision: 92012025    Serial number: 0039P0073MG%  
   Coding: 0013142
   Shop #: WSC 31414 790 00001
   VCID: 7AB8F06131B00D9A93-802E

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 7L6-953-549.lbl
   Part No: 7L6 953 549 G
   Component: J527                3601  
   Coding: 0010211
   Shop #: WSC 31414 790 00001
   VCID: 43C64D8506FA8C5280-8016

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 7L6-920-xxx-7L6.lbl
   Part No SW: 7L6 920 890 P    HW: 7L6 920 890 P
   Component: J285 KOMBI-INST.    9733  
   Revision: KHH06V42    
   Coding: 0007301
   Shop #: WSC 31414 067 57207
   VCID: 45C2539D0CCEB262AE-8010

1 Fault Found:
00470 - Company Comfort Databus in Single Wire 
            011 - Open Circuit
             Freeze Frame:
                    Fault Status: 01101011
                    Fault Priority: 2
                    Fault Frequency: 22
                    Reset counter: 207
                    Mileage: 205106 km
                    Time Indication: 0
                    Date: 2019.05.16
                    Time: 00:00:03


-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels:. 6N0-909-901-7L.clb
   Part No SW: 6N0 909 901     HW: 7L6 920 890 P
   Component: J533  GW-K-CAN TP20 9733  
   Coding: 77E2EFDB4B846002
   Shop #: WSC 31414 067 57207
   VCID: 70ACD24963CC47CA2D-8024

1 Fault Found:
00470 - Company Comfort Databus in Single Wire 
            011 - Open Circuit
             Freeze Frame:
                    Fault Status: 01101011
                    Fault Priority: 2
                    Fault Frequency: 22
                    Reset counter: 207
                    Mileage: 205106 km
                    Time Indication: 0
                    Date: 2019.05.16
                    Time: 00:00:03


-------------------------------------------------------------------------------
Address 22: AWD        Labels: None
   Part No: 0AD 927 755 BG
   Component: TRANSFERCASE        0126  
   Shop #: WSC 00000 000 00000
   VCID: 014A878D59665E42D2-5184

No fault code found.

-------------------------------------------------------------------------------
Address 2E: Media Player 3
Cannot be reached

-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr        Labels: None
   Part No: 7L0 959 760 
   Component: Sitzverstellung     0702  
   Shop #: WSC 00000 000 00000
   VCID: 77BEE95502A210F2EC-8022

No fault code found.

-------------------------------------------------------------------------------
Address 37: Navigation (J0506)       Labels:. 1T0-035-680.clb
   Part No SW: 7L6 035 684 C    HW: 7L6 035 684 C
   Component: RNS-MID       H02 0382  
   Revision: AB001001    Serial number: VWZ6Z7K9083182
   Coding: 200500000100002600
   Shop #: WSC 93008 999 67494
   VCID: 36202451812829FA37-8062

2 Faults Found:
02635 - Tuner Not Enabled/Activated 
            000 -  - 
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 7
                    Fault Frequency: 254
                    Reset counter: 207
                    Mileage: 199392 km
                    Time Indication: 0
                    Date: 2019.01.03
                    Time: 09:22:05

00862 - Antenna for GPS Navigation (R50/R52) 
            007 - Short to Ground - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 5
                    Fault Frequency: 1
                    Reset counter: 247
                    Mileage: 203242 km
                    Time Indication: 0
                    Date: 2019.04.09
                    Time: 11:10:49


-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels: 7L0-959-933.lbl
   Part No: 7L6 959 933 A
   Component: 4M HSG              0601  
   Coding: 0000085
   Shop #: WSC 31414 790 00001
   VCID: 40CC428912EC974A9D-4B1E

   Subsystem 1 - Part No: 7L0 959 701 N
   Component: Tuersteuergeraet FS 6304

   Subsystem 2 - Part No: 7L0 959 702 N
   Component: Tuersteuergeraet BF 6304

   Subsystem 3 - Part No: 7L0 959 703 C
   Component: Tuersteuergeraet HL 0201

   Subsystem 4 - Part No: 7L0 959 704 C
   Component: Tuersteuergeraet HR 0201

2 Faults Found:
00668 - Supply Voltage Terminal 30 
            002 - Lower Limit Exceeded - Intermittent
00470 - Company Comfort Databus in Single Wire 
            011 - Open Circuit

-------------------------------------------------------------------------------
Address 47: Sound System        Labels: 7Lx-035-4xx-47.lbl
   Part No SW: 7L6 035 466 C    HW: 7L6 035 466 C
   Component: DSP 10 Kanal        0020  
   Revision: 00H05001    Serial number: 75835000591304
   Shop #: WSC 00000 000 00000
   VCID: 34241E5957543BEA09-8060

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range        Labels: 7L6-907-357-A.lbl
   Part No SW: 7L6 907 357 C    HW: 7L6 907 357 C
   Component: AFS-Steuergeraet    0136  
   Revision: 00H04000    Serial number:               
   Coding: 1290371
   Shop #: WSC 31414 790 00001
   VCID: 3B3635657E0AF492C8-806E

   Subsystem 1 - Part No: 7L6 941 329 B  Labels: 3D0-941-329.CLB
   Component: AFS-Lst.-Modul l    0004  
   Coding: 00000019

   Subsystem 2 - Part No: 7L6 941 329 B  Labels: 3D0-941-329.CLB
   Component: AFS-Lst.-Modul r    0004  
   Coding: 00000019

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (J0506)       Labels:. 1T0-035-680.clb
   Part No SW: 7L6 035 684 C    HW: 7L6 035 684 C
   Component: RNS-MID       H02 0382  
   Revision: AB001001    Serial number: VWZ6Z7K9083182
   Coding: 200500000100002600
   Shop #: WSC 93008 999 67494
   VCID: 36202451812829FA37-8062

2 Faults Found:
02635 - Tuner Not Enabled/Activated 
            000 -  - 
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 7
                    Fault Frequency: 254
                    Reset counter: 207
                    Mileage: 199392 km
                    Time Indication: 0
                    Date: 2019.01.03
                    Time: 09:22:05

00862 - Antenna for GPS Navigation (R50/R52) 
            007 - Short to Ground - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 5
                    Fault Frequency: 1
                    Reset counter: 247
                    Mileage: 203242 km
                    Time Indication: 0
                    Date: 2019.04.09
                    Time: 11:10:49


-------------------------------------------------------------------------------
Address 68: Wiper Electr.        Labels: 7L0-955-119-V2.clb
   Part No: 7L6 955 119 B
   Component: J400__ Front Wiper  5301  
   Coding: 0001397
   Shop #: WSC 31414 790 00001
   VCID: 393A2F6D7036C682DA-806C

   Subsystem 2 - Part No: 1K0 955 559 AH  Labels: 1K0-955-559-AG.CLB
   Component: RLS     180209 054  0402  
   Coding: 00208941
   Shop #: WSC 31414  

No fault code found.

-------------------------------------------------------------------------------
Address 69: Trailer        Labels: 7L0-907-383-1D2.lbl
   Part No SW: 7L0 907 383 N    HW: 7L0 907 383 N
   Component: J345  Anhaenger     0080  
   Revision: 4A008002    Serial number: 00000117139279
   Coding: 0016386
   Shop #: WSC 00000 000 00000
   VCID: 3FCE41756A12E8B2E4-806A

No fault code found.

-------------------------------------------------------------------------------
Address 6C: Back-up Cam.        Labels: 5N0-907-441.clb
   Part No SW: 7L6 907 441 B    HW: 7L6 907 441 B
   Component: J772__Rearview      0033  
   Revision: 00H13000    Serial number:    PA8 J910223
   Coding: 0110001
   Shop #: WSC 31414 790 00001
   VCID: 34241E5957543BEA09-8060

No fault code found.

-------------------------------------------------------------------------------
Address 6D: Trunk Elect.        Labels: 7L6-959-107.clb
   Part No SW: 7L6 959 107 B    HW: 7L6 959 107 B
   Component: J605  HECKKLAPPE    1310  
   Revision: --H05---    Serial number: --------043825
   Coding: 0122110
   Shop #: WSC 31414 790 00001
   VCID: 3A3830617130CD9AD3-806E

No fault code found.

-------------------------------------------------------------------------------
Address 6E: Ctrl Head Roof        Labels: None
   Part No SW: 7L6 919 044 AD    HW: 7L6 919 044 AD
   Component: J702  Dachdisplay   0401  
   Revision: 1030006S    Serial number: 00000000110570
   Shop #: WSC 00000 000 00000
   VCID: 79BAEF6D30B606829A-802C

No fault code found.

-------------------------------------------------------------------------------
Address 76: Park Assist        Labels: Redir Fail!
   Part No: 7L0 919 283 F
   Component: 0L Einparkhilfe     1108  
   Shop #: WSC 00000 000 00000
   VCID: 393A2F6D7436C682DA-806C

No fault code found.

End----------(Elapsed Time: 02:25, VBatt start/end: 11.6V/14.2V)-----------
 
Last edited by a moderator:
   #2  

Jef

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With engine at temp (+80C coolant) and at idle, go to 01-08-001 and field 3 should show fuel rail pressure, make a note of it. Exit out of the ECM, shut engine off. Now back into 01-08-001 and see what the fuel rail pressure does.

Check compression.
 
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   #4  

Lakeshore Auto

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Thanks Jeff,

The pressure at idle when warm is 223.6 bar.
Engine off its 0.0.
 
   #5  

Jef

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223.6 BAR of fuel rail pressure at idle seem a bit... excessive. And I would expect rail pressure to be maintained when the engine is off, so 0 BAR doesn't seem good as well.... at face value, leaking injector(s).
 
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   #6  

Jack@European_Parts

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I agree with Golfi_vend on the OXS being contaminated & this is pretty common, additionally the ECU is FOD tuned and manifold missing stack data with deletes.
There is a firmware update.

Don't trust PSI displayed in controller or vicariously VCDS, verify with mechanical gauge.
 
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